81802320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 265161600

約数和(自身を除く): 183359280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 59, 60, 80, 106, 109, 118, 120, 159, 177, 212, 218, 236, 240, 265, 295, 318, 327, 354, 424, 436, 472, 530, 545, 590, 636, 654, 708, 795, 848, 872, 885, 944, 1060, 1090, 1180, 1272, 1308, 1416, 1590, 1635, 1744, 1770, 2120, 2180, 2360, 2544, 2616, 2832, 3127, 3180, 3270, 3540, 4240, 4360, 4720, 5232, 5777, 6254, 6360, 6431, 6540, 7080, 8720, 9381, 11554, 12508, 12720, 12862, 13080, 14160, 15635, 17331, 18762, 19293, 23108, 25016, 25724, 26160, 28885, 31270, 32155, 34662, 37524, 38586, 46216, 46905, 50032, 51448, 57770, 62540, 64310, 69324, 75048, 77172, 86655, 92432, 93810, 96465, 102896, 115540, 125080, 128620, 138648, 150096, 154344, 173310, 187620, 192930, 231080, 250160, 257240, 277296, 308688, 340843, 346620, 375240, 385860, 462160, 514480, 681686, 693240, 750480, 771720, 1022529, 1363372, 1386480, 1543440, 1704215, 2045058, 2726744, 3408430, 4090116, 5112645, 5453488, 6816860, 8180232, 10225290, 13633720, 16360464, 20450580, 27267440, 40901160, 81802320]

約数ペア:

[(1, 81802320), (2, 40901160), (3, 27267440), (4, 20450580), (5, 16360464), (6, 13633720), (8, 10225290), (10, 8180232), (12, 6816860), (15, 5453488), (16, 5112645), (20, 4090116), (24, 3408430), (30, 2726744), (40, 2045058), (48, 1704215), (53, 1543440), (59, 1386480), (60, 1363372), (80, 1022529), (106, 771720), (109, 750480), (118, 693240), (120, 681686), (159, 514480), (177, 462160), (212, 385860), (218, 375240), (236, 346620), (240, 340843), (265, 308688), (295, 277296), (318, 257240), (327, 250160), (354, 231080), (424, 192930), (436, 187620), (472, 173310), (530, 154344), (545, 150096), (590, 138648), (636, 128620), (654, 125080), (708, 115540), (795, 102896), (848, 96465), (872, 93810), (885, 92432), (944, 86655), (1060, 77172), (1090, 75048), (1180, 69324), (1272, 64310), (1308, 62540), (1416, 57770), (1590, 51448), (1635, 50032), (1744, 46905), (1770, 46216), (2120, 38586), (2180, 37524), (2360, 34662), (2544, 32155), (2616, 31270), (2832, 28885), (3127, 26160), (3180, 25724), (3270, 25016), (3540, 23108), (4240, 19293), (4360, 18762), (4720, 17331), (5232, 15635), (5777, 14160), (6254, 13080), (6360, 12862), (6431, 12720), (6540, 12508), (7080, 11554), (8720, 9381)]